./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:39:17,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:39:17,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:39:17,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:39:17,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:39:17,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:39:17,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:39:17,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:39:17,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:39:17,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:39:17,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:39:17,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:39:17,469 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:39:17,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:39:17,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:39:17,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:39:17,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:39:17,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:39:17,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:39:17,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:39:17,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:39:17,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:39:17,473 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:39:17,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:39:17,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:39:17,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:39:17,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:39:17,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:39:17,475 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:39:17,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:39:17,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:39:17,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:17,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:39:17,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:39:17,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:39:17,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:39:17,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:39:17,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:39:17,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:39:17,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:39:17,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:39:17,480 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd36b7f18dbd530fce94e0943ff58c16da276fcc41b96fdafde87c3c69036175 [2024-11-10 14:39:17,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:39:17,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:39:17,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:39:17,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:39:17,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:39:17,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-10 14:39:19,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:39:19,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:39:19,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-11-10 14:39:19,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656633e10/28f92a14de174469a7a0fd483e250e03/FLAG0bf490194 [2024-11-10 14:39:19,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656633e10/28f92a14de174469a7a0fd483e250e03 [2024-11-10 14:39:19,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:39:19,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:39:19,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:19,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:39:19,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:39:19,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc4892f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19, skipping insertion in model container [2024-11-10 14:39:19,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:39:19,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:19,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:39:19,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:39:19,637 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:39:19,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19 WrapperNode [2024-11-10 14:39:19,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:39:19,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:19,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:39:19,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:39:19,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,685 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 250 [2024-11-10 14:39:19,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:39:19,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:39:19,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:39:19,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:39:19,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,722 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:39:19,730 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:39:19,730 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:39:19,731 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:39:19,731 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (1/1) ... [2024-11-10 14:39:19,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:39:19,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:39:19,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:39:19,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:39:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:39:19,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:39:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:39:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:39:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:39:19,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:39:19,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:39:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:39:19,821 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:39:19,925 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:39:19,927 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:39:20,448 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:39:20,449 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:39:20,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:39:20,490 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:39:20,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:20 BoogieIcfgContainer [2024-11-10 14:39:20,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:39:20,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:39:20,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:39:20,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:39:20,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:39:19" (1/3) ... [2024-11-10 14:39:20,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a045f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:20, skipping insertion in model container [2024-11-10 14:39:20,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:39:19" (2/3) ... [2024-11-10 14:39:20,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a045f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:39:20, skipping insertion in model container [2024-11-10 14:39:20,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:20" (3/3) ... [2024-11-10 14:39:20,498 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-11-10 14:39:20,517 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:39:20,517 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-10 14:39:20,518 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:39:20,649 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:39:20,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 324 places, 333 transitions, 687 flow [2024-11-10 14:39:20,817 INFO L124 PetriNetUnfolderBase]: 19/330 cut-off events. [2024-11-10 14:39:20,817 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:39:20,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 330 events. 19/330 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 708 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 251. Up to 2 conditions per place. [2024-11-10 14:39:20,830 INFO L82 GeneralOperation]: Start removeDead. Operand has 324 places, 333 transitions, 687 flow [2024-11-10 14:39:20,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 313 transitions, 644 flow [2024-11-10 14:39:20,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:39:20,859 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@765c5579, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:39:20,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-10 14:39:20,866 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:39:20,866 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-10 14:39:20,866 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:39:20,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:20,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:20,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:20,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 79085905, now seen corresponding path program 1 times [2024-11-10 14:39:20,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:20,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373344843] [2024-11-10 14:39:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:21,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:21,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373344843] [2024-11-10 14:39:21,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373344843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:21,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:21,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:21,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549068131] [2024-11-10 14:39:21,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:21,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:21,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:21,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:21,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:21,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 333 [2024-11-10 14:39:21,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 313 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:21,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:21,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 333 [2024-11-10 14:39:21,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:21,403 INFO L124 PetriNetUnfolderBase]: 35/741 cut-off events. [2024-11-10 14:39:21,404 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-10 14:39:21,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 741 events. 35/741 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3320 event pairs, 20 based on Foata normal form. 62/712 useless extension candidates. Maximal degree in co-relation 621. Up to 58 conditions per place. [2024-11-10 14:39:21,418 INFO L140 encePairwiseOnDemand]: 317/333 looper letters, 15 selfloop transitions, 2 changer transitions 3/299 dead transitions. [2024-11-10 14:39:21,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 299 transitions, 650 flow [2024-11-10 14:39:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2024-11-10 14:39:21,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928928928928929 [2024-11-10 14:39:21,442 INFO L175 Difference]: Start difference. First operand has 305 places, 313 transitions, 644 flow. Second operand 3 states and 928 transitions. [2024-11-10 14:39:21,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 299 transitions, 650 flow [2024-11-10 14:39:21,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 638 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:39:21,456 INFO L231 Difference]: Finished difference. Result has 300 places, 296 transitions, 602 flow [2024-11-10 14:39:21,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=300, PETRI_TRANSITIONS=296} [2024-11-10 14:39:21,465 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -5 predicate places. [2024-11-10 14:39:21,465 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 296 transitions, 602 flow [2024-11-10 14:39:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:21,466 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:21,467 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:39:21,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:21,470 INFO L85 PathProgramCache]: Analyzing trace with hash 413795438, now seen corresponding path program 1 times [2024-11-10 14:39:21,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:21,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951174409] [2024-11-10 14:39:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:21,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:21,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951174409] [2024-11-10 14:39:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951174409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:21,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:21,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:21,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621051510] [2024-11-10 14:39:21,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:21,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:21,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:21,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:21,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:21,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 333 [2024-11-10 14:39:21,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 296 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:21,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:21,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 333 [2024-11-10 14:39:21,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:21,736 INFO L124 PetriNetUnfolderBase]: 38/739 cut-off events. [2024-11-10 14:39:21,736 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:39:21,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 739 events. 38/739 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3332 event pairs, 23 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 787. Up to 65 conditions per place. [2024-11-10 14:39:21,746 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 15 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-10 14:39:21,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 634 flow [2024-11-10 14:39:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2024-11-10 14:39:21,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9159159159159159 [2024-11-10 14:39:21,749 INFO L175 Difference]: Start difference. First operand has 300 places, 296 transitions, 602 flow. Second operand 3 states and 915 transitions. [2024-11-10 14:39:21,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 634 flow [2024-11-10 14:39:21,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 295 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:21,757 INFO L231 Difference]: Finished difference. Result has 296 places, 295 transitions, 600 flow [2024-11-10 14:39:21,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=296, PETRI_TRANSITIONS=295} [2024-11-10 14:39:21,758 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -9 predicate places. [2024-11-10 14:39:21,759 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 295 transitions, 600 flow [2024-11-10 14:39:21,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:21,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:21,760 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:21,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:39:21,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:21,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash -220221657, now seen corresponding path program 1 times [2024-11-10 14:39:21,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:21,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527534190] [2024-11-10 14:39:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:21,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:21,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:21,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527534190] [2024-11-10 14:39:21,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527534190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:21,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:21,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807128200] [2024-11-10 14:39:21,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:21,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:21,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:21,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 333 [2024-11-10 14:39:21,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:21,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:21,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 333 [2024-11-10 14:39:21,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:22,008 INFO L124 PetriNetUnfolderBase]: 67/901 cut-off events. [2024-11-10 14:39:22,009 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:39:22,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 901 events. 67/901 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4811 event pairs, 45 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 988. Up to 109 conditions per place. [2024-11-10 14:39:22,021 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 16 selfloop transitions, 1 changer transitions 0/291 dead transitions. [2024-11-10 14:39:22,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 291 transitions, 626 flow [2024-11-10 14:39:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 912 transitions. [2024-11-10 14:39:22,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9129129129129129 [2024-11-10 14:39:22,024 INFO L175 Difference]: Start difference. First operand has 296 places, 295 transitions, 600 flow. Second operand 3 states and 912 transitions. [2024-11-10 14:39:22,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 291 transitions, 626 flow [2024-11-10 14:39:22,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 291 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:22,029 INFO L231 Difference]: Finished difference. Result has 292 places, 291 transitions, 590 flow [2024-11-10 14:39:22,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=292, PETRI_TRANSITIONS=291} [2024-11-10 14:39:22,031 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -13 predicate places. [2024-11-10 14:39:22,031 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 291 transitions, 590 flow [2024-11-10 14:39:22,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:22,032 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:22,032 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:22,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:39:22,032 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:22,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:22,033 INFO L85 PathProgramCache]: Analyzing trace with hash -853928812, now seen corresponding path program 1 times [2024-11-10 14:39:22,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:22,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926812003] [2024-11-10 14:39:22,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:22,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926812003] [2024-11-10 14:39:22,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926812003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:22,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:22,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:22,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360923278] [2024-11-10 14:39:22,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:22,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:22,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:22,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:22,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:22,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 333 [2024-11-10 14:39:22,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 291 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:22,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:22,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 333 [2024-11-10 14:39:22,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:22,270 INFO L124 PetriNetUnfolderBase]: 49/681 cut-off events. [2024-11-10 14:39:22,270 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 14:39:22,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 681 events. 49/681 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3197 event pairs, 38 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 738. Up to 81 conditions per place. [2024-11-10 14:39:22,279 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 14 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-10 14:39:22,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 290 transitions, 620 flow [2024-11-10 14:39:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-10 14:39:22,282 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9179179179179179 [2024-11-10 14:39:22,282 INFO L175 Difference]: Start difference. First operand has 292 places, 291 transitions, 590 flow. Second operand 3 states and 917 transitions. [2024-11-10 14:39:22,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 290 transitions, 620 flow [2024-11-10 14:39:22,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 290 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:22,287 INFO L231 Difference]: Finished difference. Result has 292 places, 290 transitions, 591 flow [2024-11-10 14:39:22,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=292, PETRI_TRANSITIONS=290} [2024-11-10 14:39:22,288 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -13 predicate places. [2024-11-10 14:39:22,289 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 290 transitions, 591 flow [2024-11-10 14:39:22,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:22,289 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:22,290 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:22,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:39:22,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:22,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1290450467, now seen corresponding path program 1 times [2024-11-10 14:39:22,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:22,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142606825] [2024-11-10 14:39:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:22,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:22,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:22,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142606825] [2024-11-10 14:39:22,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142606825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:22,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:22,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:22,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056458774] [2024-11-10 14:39:22,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:22,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:22,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:22,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:23,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 333 [2024-11-10 14:39:23,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 290 transitions, 591 flow. Second operand has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:23,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:23,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 333 [2024-11-10 14:39:23,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:23,578 INFO L124 PetriNetUnfolderBase]: 549/3717 cut-off events. [2024-11-10 14:39:23,579 INFO L125 PetriNetUnfolderBase]: For 83/83 co-relation queries the response was YES. [2024-11-10 14:39:23,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4570 conditions, 3717 events. 549/3717 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 33431 event pairs, 383 based on Foata normal form. 0/3236 useless extension candidates. Maximal degree in co-relation 4533. Up to 807 conditions per place. [2024-11-10 14:39:23,612 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 28 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-10 14:39:23,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 655 flow [2024-11-10 14:39:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1738 transitions. [2024-11-10 14:39:23,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8698698698698699 [2024-11-10 14:39:23,618 INFO L175 Difference]: Start difference. First operand has 292 places, 290 transitions, 591 flow. Second operand 6 states and 1738 transitions. [2024-11-10 14:39:23,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 655 flow [2024-11-10 14:39:23,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:23,622 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 595 flow [2024-11-10 14:39:23,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=595, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-10 14:39:23,625 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -11 predicate places. [2024-11-10 14:39:23,626 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 595 flow [2024-11-10 14:39:23,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 285.5) internal successors, (1713), 6 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:23,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:23,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:23,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:39:23,629 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:23,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:23,630 INFO L85 PathProgramCache]: Analyzing trace with hash -757218606, now seen corresponding path program 1 times [2024-11-10 14:39:23,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:23,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583741313] [2024-11-10 14:39:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:23,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:23,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583741313] [2024-11-10 14:39:23,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583741313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:23,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:23,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:23,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391855149] [2024-11-10 14:39:23,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:23,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:23,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:23,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:23,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 333 [2024-11-10 14:39:23,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:23,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:23,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 333 [2024-11-10 14:39:23,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:23,876 INFO L124 PetriNetUnfolderBase]: 60/892 cut-off events. [2024-11-10 14:39:23,876 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-10 14:39:23,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 892 events. 60/892 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4698 event pairs, 39 based on Foata normal form. 0/807 useless extension candidates. Maximal degree in co-relation 983. Up to 93 conditions per place. [2024-11-10 14:39:23,884 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 16 selfloop transitions, 1 changer transitions 0/285 dead transitions. [2024-11-10 14:39:23,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 285 transitions, 621 flow [2024-11-10 14:39:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 912 transitions. [2024-11-10 14:39:23,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9129129129129129 [2024-11-10 14:39:23,887 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 595 flow. Second operand 3 states and 912 transitions. [2024-11-10 14:39:23,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 285 transitions, 621 flow [2024-11-10 14:39:23,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 285 transitions, 611 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:23,892 INFO L231 Difference]: Finished difference. Result has 287 places, 285 transitions, 579 flow [2024-11-10 14:39:23,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=287, PETRI_TRANSITIONS=285} [2024-11-10 14:39:23,894 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -18 predicate places. [2024-11-10 14:39:23,895 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 285 transitions, 579 flow [2024-11-10 14:39:23,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:23,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:23,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:23,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:39:23,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:23,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash -827364776, now seen corresponding path program 1 times [2024-11-10 14:39:23,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:23,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220122311] [2024-11-10 14:39:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:23,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:23,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220122311] [2024-11-10 14:39:23,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220122311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:23,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:23,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66070771] [2024-11-10 14:39:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:23,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:23,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:23,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:23,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:23,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 333 [2024-11-10 14:39:23,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 285 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:23,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:23,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 333 [2024-11-10 14:39:23,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:24,101 INFO L124 PetriNetUnfolderBase]: 62/936 cut-off events. [2024-11-10 14:39:24,102 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:39:24,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 936 events. 62/936 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4410 event pairs, 16 based on Foata normal form. 1/843 useless extension candidates. Maximal degree in co-relation 1009. Up to 47 conditions per place. [2024-11-10 14:39:24,118 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 12 selfloop transitions, 2 changer transitions 2/287 dead transitions. [2024-11-10 14:39:24,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 287 transitions, 617 flow [2024-11-10 14:39:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 927 transitions. [2024-11-10 14:39:24,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-10 14:39:24,121 INFO L175 Difference]: Start difference. First operand has 287 places, 285 transitions, 579 flow. Second operand 3 states and 927 transitions. [2024-11-10 14:39:24,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 287 transitions, 617 flow [2024-11-10 14:39:24,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 287 transitions, 616 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:24,131 INFO L231 Difference]: Finished difference. Result has 286 places, 281 transitions, 573 flow [2024-11-10 14:39:24,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=573, PETRI_PLACES=286, PETRI_TRANSITIONS=281} [2024-11-10 14:39:24,132 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -19 predicate places. [2024-11-10 14:39:24,132 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 281 transitions, 573 flow [2024-11-10 14:39:24,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:24,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:24,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:24,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:39:24,134 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:24,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash -528579079, now seen corresponding path program 1 times [2024-11-10 14:39:24,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:24,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134793962] [2024-11-10 14:39:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:24,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:24,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134793962] [2024-11-10 14:39:24,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134793962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:24,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:24,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:24,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781531423] [2024-11-10 14:39:24,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:24,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:24,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:24,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:24,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:24,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 333 [2024-11-10 14:39:24,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 281 transitions, 573 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:24,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:24,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 333 [2024-11-10 14:39:24,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:24,448 INFO L124 PetriNetUnfolderBase]: 184/1937 cut-off events. [2024-11-10 14:39:24,449 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-10 14:39:24,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2237 conditions, 1937 events. 184/1937 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14391 event pairs, 48 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 2200. Up to 262 conditions per place. [2024-11-10 14:39:24,470 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 18 selfloop transitions, 3 changer transitions 0/285 dead transitions. [2024-11-10 14:39:24,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 285 transitions, 627 flow [2024-11-10 14:39:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-10 14:39:24,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924924924924925 [2024-11-10 14:39:24,473 INFO L175 Difference]: Start difference. First operand has 286 places, 281 transitions, 573 flow. Second operand 3 states and 924 transitions. [2024-11-10 14:39:24,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 285 transitions, 627 flow [2024-11-10 14:39:24,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 285 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:24,479 INFO L231 Difference]: Finished difference. Result has 282 places, 281 transitions, 584 flow [2024-11-10 14:39:24,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=282, PETRI_TRANSITIONS=281} [2024-11-10 14:39:24,482 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -23 predicate places. [2024-11-10 14:39:24,482 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 281 transitions, 584 flow [2024-11-10 14:39:24,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:24,484 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:24,484 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:24,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:39:24,485 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:24,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:24,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1618941636, now seen corresponding path program 1 times [2024-11-10 14:39:24,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:24,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793688756] [2024-11-10 14:39:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:24,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:24,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:24,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793688756] [2024-11-10 14:39:24,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793688756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:24,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:24,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:39:24,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577448460] [2024-11-10 14:39:24,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:24,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:39:24,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:24,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:39:24,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:39:24,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 333 [2024-11-10 14:39:24,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 281 transitions, 584 flow. Second operand has 7 states, 7 states have (on average 296.85714285714283) internal successors, (2078), 7 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:24,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:24,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 333 [2024-11-10 14:39:24,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:25,184 INFO L124 PetriNetUnfolderBase]: 160/2229 cut-off events. [2024-11-10 14:39:25,185 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-10 14:39:25,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2575 conditions, 2229 events. 160/2229 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 15982 event pairs, 67 based on Foata normal form. 8/2049 useless extension candidates. Maximal degree in co-relation 2536. Up to 147 conditions per place. [2024-11-10 14:39:25,210 INFO L140 encePairwiseOnDemand]: 320/333 looper letters, 26 selfloop transitions, 14 changer transitions 0/299 dead transitions. [2024-11-10 14:39:25,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 299 transitions, 707 flow [2024-11-10 14:39:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:39:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:39:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2991 transitions. [2024-11-10 14:39:25,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8981981981981982 [2024-11-10 14:39:25,216 INFO L175 Difference]: Start difference. First operand has 282 places, 281 transitions, 584 flow. Second operand 10 states and 2991 transitions. [2024-11-10 14:39:25,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 299 transitions, 707 flow [2024-11-10 14:39:25,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 299 transitions, 707 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:39:25,222 INFO L231 Difference]: Finished difference. Result has 295 places, 288 transitions, 650 flow [2024-11-10 14:39:25,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=650, PETRI_PLACES=295, PETRI_TRANSITIONS=288} [2024-11-10 14:39:25,223 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -10 predicate places. [2024-11-10 14:39:25,223 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 288 transitions, 650 flow [2024-11-10 14:39:25,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 296.85714285714283) internal successors, (2078), 7 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:25,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:25,225 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:25,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:39:25,225 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:25,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:25,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1738207190, now seen corresponding path program 1 times [2024-11-10 14:39:25,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:25,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909860733] [2024-11-10 14:39:25,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:25,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:25,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:25,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909860733] [2024-11-10 14:39:25,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909860733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:25,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:25,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984418153] [2024-11-10 14:39:25,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:25,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:39:25,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:25,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:39:25,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:39:25,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 333 [2024-11-10 14:39:25,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 288 transitions, 650 flow. Second operand has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:25,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:25,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 333 [2024-11-10 14:39:25,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:25,797 INFO L124 PetriNetUnfolderBase]: 210/2112 cut-off events. [2024-11-10 14:39:25,797 INFO L125 PetriNetUnfolderBase]: For 93/109 co-relation queries the response was YES. [2024-11-10 14:39:25,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 2112 events. 210/2112 cut-off events. For 93/109 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15652 event pairs, 78 based on Foata normal form. 12/1925 useless extension candidates. Maximal degree in co-relation 2557. Up to 212 conditions per place. [2024-11-10 14:39:25,829 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 26 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2024-11-10 14:39:25,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 300 transitions, 743 flow [2024-11-10 14:39:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:39:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:39:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1517 transitions. [2024-11-10 14:39:25,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2024-11-10 14:39:25,836 INFO L175 Difference]: Start difference. First operand has 295 places, 288 transitions, 650 flow. Second operand 5 states and 1517 transitions. [2024-11-10 14:39:25,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 300 transitions, 743 flow [2024-11-10 14:39:25,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:25,843 INFO L231 Difference]: Finished difference. Result has 300 places, 290 transitions, 671 flow [2024-11-10 14:39:25,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=671, PETRI_PLACES=300, PETRI_TRANSITIONS=290} [2024-11-10 14:39:25,845 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -5 predicate places. [2024-11-10 14:39:25,845 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 290 transitions, 671 flow [2024-11-10 14:39:25,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:25,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:25,847 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:25,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:39:25,847 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:25,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:25,848 INFO L85 PathProgramCache]: Analyzing trace with hash 304621317, now seen corresponding path program 1 times [2024-11-10 14:39:25,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:25,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589717224] [2024-11-10 14:39:25,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:25,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:26,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:26,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589717224] [2024-11-10 14:39:26,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589717224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:26,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:26,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:26,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100714236] [2024-11-10 14:39:26,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:26,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:26,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:26,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:26,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:26,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 333 [2024-11-10 14:39:26,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 290 transitions, 671 flow. Second operand has 6 states, 6 states have (on average 296.6666666666667) internal successors, (1780), 6 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:26,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:26,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 333 [2024-11-10 14:39:26,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:26,804 INFO L124 PetriNetUnfolderBase]: 246/2013 cut-off events. [2024-11-10 14:39:26,805 INFO L125 PetriNetUnfolderBase]: For 226/237 co-relation queries the response was YES. [2024-11-10 14:39:26,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2676 conditions, 2013 events. 246/2013 cut-off events. For 226/237 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 14528 event pairs, 71 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2629. Up to 227 conditions per place. [2024-11-10 14:39:26,839 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 30 selfloop transitions, 5 changer transitions 0/301 dead transitions. [2024-11-10 14:39:26,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 301 transitions, 771 flow [2024-11-10 14:39:26,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-10 14:39:26,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9029029029029029 [2024-11-10 14:39:26,844 INFO L175 Difference]: Start difference. First operand has 300 places, 290 transitions, 671 flow. Second operand 6 states and 1804 transitions. [2024-11-10 14:39:26,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 301 transitions, 771 flow [2024-11-10 14:39:26,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 301 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:26,853 INFO L231 Difference]: Finished difference. Result has 302 places, 289 transitions, 674 flow [2024-11-10 14:39:26,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=674, PETRI_PLACES=302, PETRI_TRANSITIONS=289} [2024-11-10 14:39:26,854 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -3 predicate places. [2024-11-10 14:39:26,854 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 289 transitions, 674 flow [2024-11-10 14:39:26,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.6666666666667) internal successors, (1780), 6 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:26,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:26,855 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:26,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:39:26,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:26,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:26,856 INFO L85 PathProgramCache]: Analyzing trace with hash -249875015, now seen corresponding path program 1 times [2024-11-10 14:39:26,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:26,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446559071] [2024-11-10 14:39:26,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:26,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:39:27,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:27,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446559071] [2024-11-10 14:39:27,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446559071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:27,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:27,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:27,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642397157] [2024-11-10 14:39:27,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:27,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:27,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:27,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:27,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 333 [2024-11-10 14:39:27,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 289 transitions, 674 flow. Second operand has 6 states, 6 states have (on average 296.8333333333333) internal successors, (1781), 6 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:27,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:27,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 333 [2024-11-10 14:39:27,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:27,710 INFO L124 PetriNetUnfolderBase]: 294/2141 cut-off events. [2024-11-10 14:39:27,711 INFO L125 PetriNetUnfolderBase]: For 183/197 co-relation queries the response was YES. [2024-11-10 14:39:27,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2830 conditions, 2141 events. 294/2141 cut-off events. For 183/197 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 15919 event pairs, 64 based on Foata normal form. 0/1983 useless extension candidates. Maximal degree in co-relation 2783. Up to 226 conditions per place. [2024-11-10 14:39:27,737 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 28 selfloop transitions, 5 changer transitions 6/300 dead transitions. [2024-11-10 14:39:27,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 300 transitions, 770 flow [2024-11-10 14:39:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2024-11-10 14:39:27,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9029029029029029 [2024-11-10 14:39:27,742 INFO L175 Difference]: Start difference. First operand has 302 places, 289 transitions, 674 flow. Second operand 6 states and 1804 transitions. [2024-11-10 14:39:27,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 300 transitions, 770 flow [2024-11-10 14:39:27,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 760 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:27,749 INFO L231 Difference]: Finished difference. Result has 301 places, 282 transitions, 640 flow [2024-11-10 14:39:27,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=301, PETRI_TRANSITIONS=282} [2024-11-10 14:39:27,750 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -4 predicate places. [2024-11-10 14:39:27,750 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 282 transitions, 640 flow [2024-11-10 14:39:27,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.8333333333333) internal successors, (1781), 6 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:27,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:27,752 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:27,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:39:27,752 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:27,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash -305390075, now seen corresponding path program 1 times [2024-11-10 14:39:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:27,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189758566] [2024-11-10 14:39:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189758566] [2024-11-10 14:39:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189758566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:28,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:28,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808125644] [2024-11-10 14:39:28,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:28,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:28,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:28,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 333 [2024-11-10 14:39:28,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 282 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 297.1666666666667) internal successors, (1783), 6 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:28,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:28,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 333 [2024-11-10 14:39:28,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:28,595 INFO L124 PetriNetUnfolderBase]: 187/1836 cut-off events. [2024-11-10 14:39:28,595 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2024-11-10 14:39:28,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2383 conditions, 1836 events. 187/1836 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12195 event pairs, 53 based on Foata normal form. 0/1706 useless extension candidates. Maximal degree in co-relation 2336. Up to 163 conditions per place. [2024-11-10 14:39:28,610 INFO L140 encePairwiseOnDemand]: 327/333 looper letters, 32 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-10 14:39:28,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 297 transitions, 752 flow [2024-11-10 14:39:28,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1808 transitions. [2024-11-10 14:39:28,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9049049049049049 [2024-11-10 14:39:28,615 INFO L175 Difference]: Start difference. First operand has 301 places, 282 transitions, 640 flow. Second operand 6 states and 1808 transitions. [2024-11-10 14:39:28,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 297 transitions, 752 flow [2024-11-10 14:39:28,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 297 transitions, 722 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-10 14:39:28,621 INFO L231 Difference]: Finished difference. Result has 290 places, 281 transitions, 618 flow [2024-11-10 14:39:28,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=290, PETRI_TRANSITIONS=281} [2024-11-10 14:39:28,623 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -15 predicate places. [2024-11-10 14:39:28,623 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 281 transitions, 618 flow [2024-11-10 14:39:28,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.1666666666667) internal successors, (1783), 6 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:28,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:28,624 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:28,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:39:28,624 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:39:28,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:28,625 INFO L85 PathProgramCache]: Analyzing trace with hash -130760638, now seen corresponding path program 1 times [2024-11-10 14:39:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:28,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243676535] [2024-11-10 14:39:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:28,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243676535] [2024-11-10 14:39:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243676535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:28,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:28,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842091680] [2024-11-10 14:39:28,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:28,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:28,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:28,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:28,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:28,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 333 [2024-11-10 14:39:28,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 281 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:28,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:28,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 333 [2024-11-10 14:39:28,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:28,893 INFO L124 PetriNetUnfolderBase]: 158/1607 cut-off events. [2024-11-10 14:39:28,893 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-10 14:39:28,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2008 conditions, 1607 events. 158/1607 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10294 event pairs, 54 based on Foata normal form. 0/1497 useless extension candidates. Maximal degree in co-relation 1967. Up to 167 conditions per place. [2024-11-10 14:39:28,911 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 0 selfloop transitions, 0 changer transitions 284/284 dead transitions. [2024-11-10 14:39:28,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 284 transitions, 658 flow [2024-11-10 14:39:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-10 14:39:28,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9269269269269269 [2024-11-10 14:39:28,913 INFO L175 Difference]: Start difference. First operand has 290 places, 281 transitions, 618 flow. Second operand 3 states and 926 transitions. [2024-11-10 14:39:28,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 284 transitions, 658 flow [2024-11-10 14:39:28,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 284 transitions, 648 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:28,917 INFO L231 Difference]: Finished difference. Result has 286 places, 0 transitions, 0 flow [2024-11-10 14:39:28,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=286, PETRI_TRANSITIONS=0} [2024-11-10 14:39:28,918 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -19 predicate places. [2024-11-10 14:39:28,918 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 0 transitions, 0 flow [2024-11-10 14:39:28,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:39:28,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-10 14:39:28,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-10 14:39:28,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-10 14:39:28,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2024-11-10 14:39:28,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-10 14:39:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-10 14:39:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-10 14:39:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-10 14:39:28,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-10 14:39:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-10 14:39:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-10 14:39:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-10 14:39:28,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:39:28,930 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:28,937 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:39:28,937 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:39:28,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:39:28 BasicIcfg [2024-11-10 14:39:28,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:39:28,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:39:28,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:39:28,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:39:28,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:39:20" (3/4) ... [2024-11-10 14:39:28,947 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:39:28,949 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:39:28,950 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:39:28,950 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:39:28,956 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-10 14:39:28,956 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:39:28,956 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:39:28,956 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:39:29,049 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:39:29,049 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:39:29,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:39:29,050 INFO L158 Benchmark]: Toolchain (without parser) took 9698.33ms. Allocated memory was 159.4MB in the beginning and 442.5MB in the end (delta: 283.1MB). Free memory was 103.6MB in the beginning and 209.8MB in the end (delta: -106.2MB). Peak memory consumption was 177.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,051 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:29,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.04ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 89.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.54ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 86.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,051 INFO L158 Benchmark]: Boogie Preprocessor took 43.54ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,052 INFO L158 Benchmark]: IcfgBuilder took 760.22ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 116.7MB in the end (delta: -32.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,053 INFO L158 Benchmark]: TraceAbstraction took 8451.49ms. Allocated memory was 159.4MB in the beginning and 442.5MB in the end (delta: 283.1MB). Free memory was 115.5MB in the beginning and 215.0MB in the end (delta: -99.5MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,054 INFO L158 Benchmark]: Witness Printer took 105.33ms. Allocated memory is still 442.5MB. Free memory was 215.0MB in the beginning and 209.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:29,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.04ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 89.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.54ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 86.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.54ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 760.22ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 116.7MB in the end (delta: -32.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8451.49ms. Allocated memory was 159.4MB in the beginning and 442.5MB in the end (delta: 283.1MB). Free memory was 115.5MB in the beginning and 215.0MB in the end (delta: -99.5MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. * Witness Printer took 105.33ms. Allocated memory is still 442.5MB. Free memory was 215.0MB in the beginning and 209.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 485 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.2s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 929 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 539 mSDsluCounter, 227 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1468 IncrementalHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 43 mSDtfsCounter, 1468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1133 NumberOfCodeBlocks, 1133 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1119 ConstructedInterpolants, 0 QuantifiedInterpolants, 1823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:39:29,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE